The theme of the 2022 Pulse is "50 Years After the Clean Water Act." Nine different individuals or groups have contributed perspectives on progress to date and challenges ahead. This Pulse also includes summaries, from a historical perspective, on the major water quality parameters of concern in the Bay.
The 28th RMP Annual Meeting was hosted on Thursday, October 14th, 2021. Fully virtual for the second year, the meeting included an excellent lineup with presentations from RMP staff and other invited experts. We heard about and discussed findings on Bay sediment supply, PFAS, tire particles and chemicals, and contaminants in Bay fish, among other topics. If you missed the meeting or any specific sessions, recordings of the meeting and presenter slides will be posted below shortly.
The 28th RMP Annual Meeting was hosted on Thursday, October 14th, 2021. Fully virtual for the second year, the meeting included an excellent lineup with presentations from RMP staff and other invited experts. We heard about and discussed findings on Bay sediment supply, PFAS, tire particles and chemicals, and contaminants in Bay fish, among other topics. If you missed the meeting or any specific sessions, recordings of the meeting and presenter slides will be posted below shortly.
This report presents a strategy and multi-year workplan for modeling polychlorinated biphenyls (PCBs), contaminants of emerging concern (CECs), and sediment in San Francisco Bay (the Bay). Robust in-Bay fate modeling is needed to address priority management questions that have been identified for these constituents.
The strategy for in-Bay modeling presented in this report is a major element of a broader, integrated strategy that is being developed across RMP Workgroups for modeling contaminants flowing from the Bay watersheds and other pathways into the Bay. The broader project is expected to yield an integrated strategy in 2022, followed by implementation of a pilot effort in 2023. Coordination of the in-Bay modeling effort with the broader integrated strategy and other modeling work (e.g., nutrient modeling under the Nutrient Management Strategy) will be critical to optimizing use of the funds allocated to modeling.
Update: On October 1, 2023: California Department of Toxic Substance Control (DTSC) 6PPD regulations became effective, making it the first government in the world to regulate the chemical content of vehicle tires to protect salmon. DTSC is requiring tire manufacturers to identify alternatives to the tire preservative that is the source of the chemical toxic to coho salmon.